AERO|TECH|DESIGNS Men's Triathlon Singlet Tank - 3 Color Options Aerodynamic design, perfect for competitions Zippered rear pocket for carrying extra nutrition gels during each leg of the race, 3/4 front zipper, 6-way stretch fabric dries quickly Adult Sizes: Small (28-30 waist; 36 chest) Medium (32-34 waist; 38 chest) Large (36 waist, 40 chest) X-Large (38-40 waist; 42 chest) XX-Large (42-44 waist, 44 chest) 3XL (46-48 waist; 46 chest) 4XL (50-52 waist; 48 chest) *NOTE: All measurements are in inches Pair with our matching Competition Triathlon Shorts for a complete set Reflective piping for added visibility